$OpenBSD: patch-export_OpenColorIO_OpenColorABI_h_in,v 1.2 2014/11/21 17:25:49 pascal Exp $
--- export/OpenColorIO/OpenColorABI.h.in.orig	Thu Sep 11 21:08:18 2014
+++ export/OpenColorIO/OpenColorABI.h.in	Fri Nov 21 13:29:20 2014
@@ -69,7 +69,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY O
 
 // If supported, define OCIOEXPORT, OCIOHIDDEN
 // (used to choose which symbols to export from OpenColorIO)
-#if defined __linux__ || __APPLE__ || __FreeBSD__
+#if defined __linux__ || __APPLE__ || __FreeBSD__ || __OpenBSD__
     #if __GNUC__ >= 4
         #define OCIOEXPORT __attribute__ ((visibility("default")))
         #define OCIOHIDDEN __attribute__ ((visibility("hidden")))
